/*
 * Copyright 2012 Faculty of Informatics - Masaryk University.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cz.muni.fi.pa165.creatures.dao.utils;

/**
 * Various utilities for the more comfortable work with DAO implementation.
 *
 * @author smikloso
 */
public final class DAOUtils {

    private DAOUtils() throws InstantiationException {
        throw new InstantiationException("This code should never be reached");
    }

    /**
     * Checks if an object is a null object.
     *
     * @param o an object to check for nullity
     * @throws IllegalArgumentException if object is null
     */
    public static void notNull(final Object o) throws IllegalArgumentException {
        if (o == null) {
            throw new IllegalArgumentException("Object to create can "
                    + "not be a null object");
        }
    }
}
